"If Berserker's true identity is the great hero of Greece, his abilities are mostly rank A. If we want to injure him, I believe we have to use an attack value that is at least of the same rank."
"...Attack value of the same rank? So in other words..."
"...Yes. It is difficult to say, but I believe any attack below A rank will be nullified, whether normal attack or Noble Phantasm. If we want to defeat that giant, we would need a normal attack power of at least A rank, and a Noble Phantasm that exceeds even that."
"____"
I close my eyes and recall Saber's abilities.
Saber's strength... her normal attack power is B rank, and her Noble Phantasm is C rank.
...God.
If what Saber says is right, not only is it impossible to defeat Berserker, but we don't even have a way to hurt him...!
"H-Hold on! Um, aren't strength and Noble Phantasms measured differently? No matter how low the rank is, a Noble Phantasm is a powerful weapon, right? So if you measure it in terms of strength, shouldn't it be at least A rank?"
"Yes. Noble Phantasms are incomparable to regular attacks. A Noble Phantasm of a C rank, when converted to a normal ability, would have A or A+ rank ...But the 'refusal' that protects Berserker goes beyond the laws of reality."
"That thing is a concept that can nullify even a Noble Phantasm that can destroy the world, if it is below an A ranking. Berserker... Hercules is a heroic spirit with divinity. One can only affect a heroic spirit who has received the blood of gods with a divine mystery of the same level."